Bootstrap Money - How much money can you make selling software?
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
MAKE Book - Learn to bootstrap profitable startups the 👨🎤indie way
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Financial Independence Calculator - How early can you 🍹retire if you move to another place?
Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.